APA-ийн эшлэл(7 дахь хэвлэлт)

Steffen, R., De Smet, K., Murray, D., & Gill, H. (2011). A Modified Posterior Approach Preserves Femoral Head Oxgenation During Hip Resurfacing.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Steffen, R., K. De Smet, D. Murray, ба H. Gill. A Modified Posterior Approach Preserves Femoral Head Oxgenation During Hip Resurfacing. 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Steffen, R., et al. A Modified Posterior Approach Preserves Femoral Head Oxgenation During Hip Resurfacing. 2011.